An Arizona man discovers two rattlesnakes in his backyard fighting for dominance. Source: KNXV Newsworthiness is defined as a subject having sufficient relevance to the public or a special audience to warrant press attention or coverage. An Arizona man discovers two rattlesnakes in his backyard fighting for dominance. Source: KNXV Newsworthiness is defined as a subject having sufficient relevance to the public or a special audience to warrant press attention or coverage.